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[texts]Folkscanomy Electronics Articles: Testing Motrons Transmitter Fingerprinter
Folkscanomy Electronics Articles: Testing Motrons Transmitter Fingerprinter
Keywords: repeater; frequency; rigs; audio; transmitter; prints; fingerprints; amateur; discriminator; fingerprint; amateur radio; radio today; audio demod
Downloads: 23
[texts]Folkscanomy Electronics Articles: Build The Montreal Fox Controller
Folkscanomy Electronics Articles: Build The Montreal Fox Controller
Keywords: pic; fox; montreal; dip; callsign; switches; circuit; iaru; keying; dip switches; amateur radio; montreal fox; radio today
Downloads: 19
[texts]73 Magazine (November 1990)
73 Magazine November 1990 (#362) The Roll-Up 10-20 Antenna - Just right for portable QRP ...... WV8R 12 Working the World with 2 Milliwatts - The ultimate QRP challenge ...... KI6DQ 14 The FIRE-BALL QRP Rig - 50 milliwatts of pure power ...... WB8ELK 18 The Firecaler Milliwattmeter - Calibrate your mini-QRP rig ...... WB0ESV 22 The Smoke Detector Receiver - Turn the FIRE-BALL into a complete transceiver ........
Keywords: radio; amateur; antenna; mhz; ham; repeater; meter; power; amateur radio; radio today; feedback card; ham radio; power supply; front panel
Downloads: 2,464
[texts]Folkscanomy Electronics Articles: The FOXBOX
Folkscanomy Electronics Articles: The FOXBOX
Keywords: foxbox; timer; ptt; circuit; radio; amateur; circuits; packet; keying; amateur radio; radio today; packet radio; heart association; american heart; radio shack; interface cable
Downloads: 22
[texts]73 Magazine (June 1998)
73 Magazine June 1998 (#453) A Pentium-Style Positive and Negative PS - Reading about new technology is great, but using it is even better! ...... N4UAU 10 The Fun Radio - or, wasn't this what attracted you to the hobby in the first place? ...... W6WTU 17 Meet the Marvelous MicroVert - A 20-inch vertical for 20 meters? ...... W4DXV 21 Home-Brew This Power Cube - First step in rebuilding your vintage RF deck ........
Keywords: radio; amateur; ham; antenna; power; mhz; june; frequency; hams; amateur radio; radio today; ham radio; feedback card; web site; air force; power supply; field day
Downloads: 1,841
[texts]73 Magazine (July 1999)
73 Magazine July 1999 (#465) Emergency Power for Hams - Including your own experimental wind generator ...... WA8YKN 10 The VK Winged Flapper - Only an Aussie would come up with this mobile antenna design ...... VK2AT 20 Regens for the Millennium - Part 2: Winding Coils ...... KA9GDL 22 You, Too, Can Be an SOB - Hams should be heard but not seen- put your left hand on the Callbook and repeat after me ........
Keywords: radio; amateur; power; antenna; ihe; thai; kit; mfj; july; amateur radio; radio today; web site; power supply; front panel; flea market; switching power; heavy duty
Downloads: 1,888
[texts]73 Magazine (September 1997)
73 Magazine September 1997 (#444) Video Transmitter - Delta -the ATV transmitter you can change to fit your needs. Three bands, one design ...... KC5AWJ 9 Explorers, Adventurers, and Experts - How would you rule on this? ...... KB9FO 20 The New Emergency Alert System - Don't tune out that emergency broadcast test just because the Cold War's over! ...... WD8DAS 30 Holiday of a Lifetime - Ham friends are lifelong friends -even if you're meeting them for the first time! ........
Keywords: radio; antenna; amateur; ham; mhz; frequency; license; signal; ihe; radio today; amateur radio; ham radio; feedback card; coaxial cable; class license; dummy load; antenna tuner
Downloads: 1,773
[texts]73 Magazine (November 1994)
73 Magazine November 1994 (#410) An Average and Peak Reading RF Power Meter - Add this handy monitor to your operating table ...... K4GOK 10 440-450 MHz Omnidirectional Antenna - Build this UHF base or repeater antenna for less than 10 bucks! ...... KA0NAN 22 Adapting Bell 202 Telephone Modems for Packet - Enjoy packet radio with this bargain basement project! ...... KI5PG 42 The Kenwood TS-60S - 50 MHz all-mode transceiver ........
Keywords: antenna; radio; amateur; mhz; frequency; meter; repeater; ham; power; amateur radio; radio today; ham radio; feedback card; morse code; case set; power supply; pvc pipe
Downloads: 1,877
[texts]73 Magazine (March 1992)
73 Magazine March 1992 (#378) Build a GaAsFET Preamp Sequencer - Mast-mount your preamp for maximum performance ...... WZ1V 8 Simple Pulsed Crystal Signal Source - Find the right frequency ...... KA1MJP 14 An ATV Downconverter with a Difference - Keep FM voice repeaters out of your picture ...... W9NTP 22 Using RS-12 - Work the world with this unique satellite ...... G3IOR 32 40/80 Meter Wave Ryder - A QRP tube transmitter powered by 12 volts DC ........
Keywords: mhz; radio; amateur; antenna; frequency; signal; power; ham; amateur radio; radio today; feedback card; ham radio; power supply; amateur satellite; matching case; field strength
Downloads: 1,698
[texts]73 Magazine (January 2000)
73 Magazine January/Feb 2000 (#471) New Millennium Wish List - A budget-conscious guide to exploring new amateur radio horizons ...... K4TWJ 10 Buffalo Springs Lake Half-Ironman Triathlon - Ham PR at its best ...... KC5VKB 14 Junk Box Audio Test Generator - This scavenged helper is easy to build and fun to use ...... Sellen 22 Read All About It! - Part 2 of good stuff from The Hertzian Herald ........
Keywords: radio; mhz; amateur; frequency; meter; qrp; ham; antenna; noise; power; amateur radio; radio today; noise figure; ham radio; web site; feedback card; low power; ten meter; flea market
Downloads: 1,826
[texts]73 Magazine (March 1998)
73 Magazine March 1998 (#450) Truckez-Vous Mon Boat? - Ham friends to the rescue for Voyageur ...... N4UAU 10 Wouldn't You Really Rather Drive A BUIC? - Part 2: software for your interface circuit ...... K8KWD 17 Getting High the Ham Way - Adventures in ATV rocketry ...... KB9MRB 23 High Impedance Analog Volt/Test Meter - Here's a useful gadget to build while you wait for spring! ...... W6WTU 26 Amazin' Hall Tree Vertical - Grab your coat and take your hat ........
Keywords: antenna; radio; amateur; meter; frequency; ham; mhz; power; antennas; amateur radio; radio today; ham radio; web site; power supply; morse code; tte filter; full scale
Downloads: 1,691
[texts]73 Magazine (January 1992)
73 Magazine January 1992 (#376) The Dual-Combo Field-Strength and Source Dip Meter - Versatile test instruments for all your RF projects ...... WB0ESV 8 Safety Power Breaker for the Test Bench - Avoid a shocking experience ...... WA1FHB 18 An Improved Crystal Tester - Check out those surplus crystals with this portable circuit ...... KA4J 22 Build a Function Generator - An inexpensive way to generate useful waveforms ........
Keywords: radio; amateur; mhz; antenna; meter; repeater; frequency; electronics; amateur radio; radio today; call call; power supply; feedback card; ham radio; staff staff; flea market
Downloads: 2,315
[texts]73 Magazine (April 1992)
73 Magazine April 1992 (#379) The Arrow Antenna - Hit the bull's-eye with this portable VHF sharp shooter ...... KA0VFF/N0IMW 10 The Plumber's Delight - A new look for the J-pole! ...... KB6EPO 16 The Flower Pot Special - Plant your antenna! ...... N1GPH 18 The Rock Bender QRP Transmitter - Win QSOs and influence crystals ...... WI5W 22 Monoband Yagi for 20 Meters - More dBs for the buck ...... AB4GX 30 The SAM1 Transverter - For the challenge of LF/VLF ........
Keywords: antenna; amateur; mhz; frequency; meter; amateur radio; repeater; radio; feedback card; radio today; call call; matching case; power supply; flea market; ham radio
Downloads: 2,207
[texts]73 Magazine (August 1995)
73 Magazine August 1995 (#419) Tube TNC - A packet breakthrough! ...... W0XI 10 VE7PMR Solar-Powered Packet Node - Is packet worth nearly freezing on a mountain? Sure! ...... VE7VMS 12 19,200-Baud Packet - A simple way to do it ...... WB9JTK 16 RF Speech Processing - How to get an extra 6 to 9 dB of talk power on SSB ...... VK3CA 24 Working the Final Frontier - Ideas for a fun and easy ham space program ........
Keywords: radio; amateur; antenna; mhz; packet; output; power; ham; radio today; amateur radio; ham radio; cold fusion; packet radio; remote control; power supply; feedback card
Downloads: 1,980
[texts]73 Magazine (March 1991)
73 Magazine March 1991 (#366) Packet with the Microsats - The secrets of success ...... KI6QE 9 Weather Satellite Reception - Dust off your unused scanner ...... N6NHP 12 The Desert Voices Project - An overnight success story ...... KA1UKM 18 Elementary Mode S - Satellite fun on 2.4 GHz-the easy way! ...... KA9LNV 21 Touch-Tone Activated Scanner - So you won' t miss a call! ...... AA7Y 30 Two Meter EME Primer - Your guide to moonbounce action! ........
Keywords: amateur; radio; antenna; mhz; ham; eme; frequency; amateur radio; radio today; feedback card; ham radio; power supply; desert voices; flea market; weather satellite
Downloads: 1,740
[texts]Folkscanomy Electronics Articles: Build The FoxTTL Foxhunt Transmitter
Folkscanomy Electronics Articles: Build The FoxTTL Foxhunt Transmitter
Keywords: transmitter; circuit; fiberglas; capacitor; foxttl; balloon; led; oscillator; battery; ttl; amateur radio; disc capacitor; ttl clock; radio today; flashing led; fiberglas resin
Downloads: 22
[texts]73 Magazine (January 1996)
73 Magazine January 1996 (#424) The SP-10 "Senior Spider" Transceiver ...... WA8TXT 9 Low Cost Switching Power Supply For HF Transceivers ...... AD5X 16 Simple Mobile Protection ...... K8KWD 18 Going Public ...... WB2JNA 22 Tesla! ...... W8AHB 24 Telephone Flasher ...... W6ZZB 30 Free Electricity ...... WB8VGE 32 Kill Your Interference ...... WB2WIK/6 45 Add-On 2 Meter Receiver Selectivity ...... WA4BLC 38 Oak Hills OHR-400 4 Band QRP Kit ........
Keywords: radio; amateur; antenna; meter; ihe; power; ham; voltage; thai; amateur radio; radio today; power supply; feedback card; square wave; ham radio; today january; sine wave
Downloads: 1,738
[texts]73 Magazine (April 1996)
73 Magazine April 1996 (#427) 440 Super J-Pole Antenna - Here's a great club project ...... KA0NAN 10 The Hentenna - An easy construction project and a chance to experiment ...... KA0DAQ 14 The Big Loopy Skywire - Cheap and simple, with a bodacious signal ...... NH6XK 18 Easy to Build 10m Beam - The Sun-spots are coming. The Sun-spots are coming ...... N6CJU 20 Johnson Matchbox Renaissance - A flea market winner! Or, build one yourself ........
Keywords: antenna; amateur; radio; meter; mhz; ham; ihe; antennas; frequency; amateur radio; radio today; feedback card; flea market; ham radio; cold fusion; feed point; corner beam
Downloads: 1,642
[texts]73 Magazine (October 1999)
73 Magazine October 1999 (#468) Need a UHF Dipper? - Part 1: Old TV tuners to the rescue! ...... W6WTU 10 HT Porta-Power - Project Portable extended power pkg for HTs ...... WB3CEH 15 FM CW! - Repeater code-practice sessions ...... WB9YBM 16 FYI: FQY - Another look at the Fractal Quad Yagi ...... KF7BS 18 Secrets of Transmission Lines - Part 3: More AC review ...... KE2QJ 22 The History of Ham Radio - Parts 1 and 2: From the birth of the wireless ages to 1920 ........
Keywords: radio; amateur; power; kit; ham; web; thai; antenna; radio today; amateur radio; web site; matching case; power station; intermediate skill; ham radio; feedback card
Downloads: 2,464
[texts]73 Magazine (December 1998)
73 Magazine December 1998 (#459) Probing Auto Electronics - Help your neighbor identify his car's problem and be an electronic's hero! ...... W6WTU 10 Announcing the QRPeanut - Here's a compact QRP transmatch you can build for next to nothing ...... N5GZH 14 Keys to Better Operating - Yes, much of it is common sense ...... W6BNB 17 Electronic Bug Emulator - Put some personality back into your CW ........
Keywords: radio; ihe; amateur; frequency; antenna; ham; power; thai; circuit; amateur radio; radio today; ham radio; morse code; power supply; matching case; front panel; power meter
Downloads: 3,488
[texts]73 Magazine (February 1991)
73 Magazine February 1991 (#365) Radar Detector to Microwave Receiver Conversion - Listen on 10 GHz cheap ...... WA6EJO 10 UHF Source Dipper - The easy way to tune circuits from 400-500 MHz! ...... WB0ESV 20 UHF Field Strength Meter - For 400 to 500 MHz ...... WB0ESV 24 Future Modulation Amateur Television - Sometimes called frequency modulation ...... W9NTP 32 Take a West Indies DXpedition? - "No Problem, Mon!" ........
Keywords: amateur; radio; mhz; antenna; power; ham; frequency; atv; amateur radio; radio today; feedback card; power supply; ham radio; high power; radar detector; memory channels
Downloads: 1,538
[texts]73 Magazine (June 1999)
73 Magazine June 1999 (#464) Regens for the Millennium - Part 1: A new look at an old friend ...... KA9GDL 10 Three-Element Circular Quad for 10m - For under $65! ...... K8IHQ 17 From the Ukraine: A Radio Amateur's Story - Part 2: Water-cooled amp? Why not? ...... UY5DJ 21 Easy Antenna Reference - Part 2: More options ...... VK2AT 26 Screwy Mobile Antenna Mods - Fine-tune that screwdriver-type with these helpful tips ........
Keywords: radio; antenna; amateur; meter; power; mhz; kit; ham; frequency; amateur radio; radio today; power meter; feedback card; web site; low power; skill level; level order
Downloads: 1,732
[texts]73 Magazine (March 1996)
73 Magazine March 1996 (#426) JY74X-JY74Z: A Joint Jordanian-Israeli Operation - Our peace process dividend: DXpeditions to Amman and Mt. Nebo, celebrating the first anniversary of the "Washington Declaration" peace accords ...... 4X6KJ-JY8KJ 10 Into Orbit with the Final Phase 3 OSCAR - It's a bird! it's a plane! it's ...... WA5ZIB 16 73's, DX Dynasty Award ...... Staff 26 Simple Secondary Frequency Standard - Stay within your legal frequency ........
Keywords: radio; antenna; amateur; frequency; ham; voltage; mhz; digital; receiver; amateur radio; radio today; feedback card; power supply; matching case; flea market; case set; ham radio
Downloads: 1,709
[texts]73 Magazine (February 1993)
73 Magazine February 1993 (#389) Fun at 10,000 MHz - Explore the wide open spaces of the 10 GHz microwave band ...... WB6NOA 10 The 23-Foot Indoor Antenna - Make an effective 20 and 80 meter apartment-owner antenna ...... G2BZQ 16 Accurate Low Cost VSWR Meter - Convert this CB accessory for 1.8-450 MHz operation ...... AD5X 18 An Effective 160 Meter Antenna - How to build one on a small residential lot ........
Keywords: radio; antenna; amateur; mhz; frequency; ham; meter; ghz; output; amateur radio; radio today; ham radio; feedback card; card circle; local oscillator; morse code; radio shack
Downloads: 1,911
[texts]73 Magazine (October 1997)
73 Magazine October 1997 (#445) Surface Mount Devices - Everything you didn't want to -but should -know ...... W6WTU 10 El Cheapo - Rub shoulders with the big boys on 20 meters, without shelling out megabucks! ...... 4X1MK 15 APRS Network Guidelines - 20 tips for increasing efficiency ...... W9IF 19 Phased Trapped Verticals for HF - Simple ideas, simple to build ...... KD7FY 21 Simple Signal Injector/Tracer - Troubleshooting made easy ........
Keywords: radio; amateur; antenna; ham; signal; mhz; power; solder; digital; amateur radio; radio today; feedback card; ham radio; pet ham; local loop; power supply; morse code
Downloads: 1,783
[texts]73 Magazine (November 1997)
73 Magazine November 1997 (#446) How to Design Your Own HF Antenna - No excuses after this ...... VA3ACK 10 Readin', Writin', and Robotin' - Is your high school entered in FIRST? ...... Gray 17 Our Friend Pythagoras - Pop quiz: Who can state the Pythagorean Theorem? ...... N0BLX 19 Electronic Construction from A to Z - Everything you wanted to know about building stuff but were afraid to ask ........
Keywords: radio; amateur; antenna; voltage; thai; ham; power; meter; radio today; amateur radio; power supply; low power; ham radio; load bank; printed circuit; field day
Downloads: 2,313
[texts]73 Magazine (August 1993)
73 Magazine August 1993 (#395) A Decade of Packet - An anthology of 73 packet radio articles from 1983 to 1993 ...... WA1RZW 10 FM Packet Deviation Meter - Put your packet station on the money for 20 bucks ...... N5OWK 22 Julieboard - An easy-to-build DDS synthesizer for the PC printer port ...... VE3JIL 40 Computer Control for Beam Antennas, Part I - Give your station a smart, new twist ...... K4OND 54 PC Pakratt for Windows - Love at first byte ........
Keywords: radio; amateur; packet; mhz; ham; antenna; digital; power; repeater; amateur radio; radio today; packet radio; ham radio; feedback card; power supply; brian lloyd; morse code
Downloads: 2,147
[texts]73 Magazine (October 1993)
73 Magazine October 1993 (#397) More Gadgets for Your MFJ-9020 - Add features to this great QRP rig ...... W6YBT 10 Universal Automatic Minimum Power Control for AMTOR - Use just enough punch to get the job done ...... N7APE 14 The Challenge of QRP - An introduction to low power operation ...... WB8VGE 18 The RASER Revisited - How this superior HF dipole antenna can be improved ...... W2OZH 29 A New Look at a Simple VFO/Exciter - Stable tuning with minimal parts ........
Keywords: amateur; radio; qrp; antenna; ham; mhz; ihe; power; repeater; amateur radio; radio today; ham radio; feedback card; low power; power supply; qrp transceiver; ottawa ottawa
Downloads: 1,839
[texts]73 Magazine (December 1996)
73 Magazine December 1996 (#435) Automatic Packet Reporting System - You can track anything with this! ...... WB4APR 10 Shooting Straight Up - NVIS: A neglected short-range technique ...... XF1/KB6ASH 22 Build This 6m Attic Antenna - A simple stealth antenna protect ...... KA0NAN 28 Circulators Anyone? - Keep the traffic flowing ...... W6OIU 30 Hams on the Information Highway, Part 2 - How you can easily find and start using Usenet groups ........
Keywords: radio; amateur; antenna; aprs; frequency; mhz; ham; power; thai; amateur radio; radio today; ham radio; feedback card; morse code; low power; thin film; power supply
Downloads: 2,649
[texts]73 Magazine (January 1998)
73 Magazine January 1998 (#448) Get Active! - A nice amp project for building your own active antenna ...... W2GOM 10 Upgrading the 209 - Add this simple resistance meter to your MFJ antenna analyzer ...... KG5CM 15 Five-Band Magnetic: Loop Antenna - Build a loop for QRP, and tune it up just right ...... K2KSY/HL9BK Electronic Construction from A to Z, Part 3 - Everything you wanted to know about building stuff but were afraid to ask ........
Keywords: radio; antenna; amateur; frequency; ham; mhz; hams; island; kit; amateur radio; radio today; ham radio; feedback card; frequency counter; power supply; negative capacity; staff jan
Downloads: 1,814
[texts]73 Magazine (October 1996)
73 Magazine October 1996 (#433) Ultimate Power! - Station power from a dead UPS ...... KF9GQ 10 Colorado QRP Club's Field Day Operation - Field Day the hard way ...... AAOXI 14 440 Yagi Link antenna - Improve your repeater system by building new antennas for about $2 each! ...... KA0NAN 16 A Versitile QRP Random-Wire Antenna Tuner - A quick way to tune up your QRP rig in the field ...... KB4ZGC 19 Operating RS-12 -It's easy ........
Keywords: radio; antenna; amateur; mhz; frequency; power; qrp; ihe; ham; amateur radio; radio today; ham radio; feedback card; power supply; low power; ttucmos input; output power
Downloads: 1,744
[texts]73 Magazine (June 1993)
73 Magazine June 1993 (#393) The Ubiquitous Coaxial Connector - Wire up these common connectors the easy way ...... WB2WIK/6 10 Portable Packet Digipeater for Emergency Service - Put together this compact system before disaster strikes ...... K6YDW 16 16 Tips for Using PCB Layout Software - You can do things differently when you design a PCB on your computer ...... N8PTG 28 Building and Using N7APE's NiCd zapper - An update ........
Keywords: amateur; radio; mhz; power; voltage; frequency; ham; antenna; radio today; amateur radio; power supply; simplex repeater; ham radio; card circle; connector body; feedback card
Downloads: 1,595
[texts]73 Magazine (August 1999)
73 Magazine August 1999 (#466) PIC-based DTMF Project - Build this decoder and learn ...... KC3XM 10 How to Turn a Deaf Ear - with your antenna ...... VK2AT 13 Secrets of Transmission Lines - Part 1: Intro and dummy load project ...... KE2QJ 16 Kiwi SSTV - How they do it in ZL-Iand ...... ZL1AAN 20 All About Op Amps - And then some ...... W2GOM/7 24 The Missing Link: A PSK Interface - Stop just reading about it - put this new mode into action! ........
Keywords: radio; amateur; antenna; ham; power; meter; mfj; ihe; mhz; amateur radio; radio today; power supply; web site; feedback card; solar panel; phase shift; heavy duty
Downloads: 1,769
[texts]73 Magazine (April 1991)
73 Magazine April 1991 (#367) Artificial RF Ground - Maximize your antenna's efficiency ...... KB4ZGC 10 The ESV Mod Quad - Inexpensive performer for any band from 50 through 1296 MHz ...... WB0ESV 14 Collinear for Two Meters - An inexpensive, efficient antenna ...... G3YCC 24 Simple SupeRX - A super-small superhet for 80, 40, or 30m ...... WA6IVC 26 Pocket-Portable Seven-Band Antenna - It's cheap, easy-to-build, and effective ........
Keywords: antenna; radio; amateur; mhz; ham; repeater; wire; meter; frequency; amateur radio; radio today; feedback card; ham radio; power supply; carolina windom; flea market; mod quad
Downloads: 2,122
[texts]73 Magazine (March 1995)
73 Magazine March 1995 (#414) A Practical Weather Satellite Receiving System, Part 1 - Set up your own satellite receiver/decoder ...... ZRBUM 10 HF-5AT Antenna - An easy-to-build dual-band HF satellite antenna ...... AC3L 24 Grounding and lightning Protection, Part 2 - Effective RF grounding for the shack ...... W5UOJ 26 The Azden PCS-7200 - A solid 222 MHz mobile transceiver ...... WB2WIK/6 32 Ham University Interactive - Learn code and theory, and play CW games ........
Keywords: radio; mhz; amateur; antenna; ham; frequency; mfj; output; repeater; amateur radio; radio today; ham radio; feedback card; weather satellite; morse code; case set; power supply
Downloads: 2,016
[texts]73 Magazine (February 1999)
73 Magazine February 1999 (#461) We Must Be Dreaming - A home-brew receiver project! ...... Duncan 10 LM- and BC-221 Frequency Multiplier - Generate detectable signals up to 1000 MHz ...... W6WTU 17 The Ultra-Simple 20 - The simplest solution to any problem is the best ...... G2BZQ 21 The Franklin VFO - A nifty chill-chasing project for the serious home-brewer ...... W4LJD 24 Mods for the OHR 100A - Here's how to make a popular QRP rig even better ........
Keywords: antenna; radio; amateur; frequency; mhz; circuit; kit; audio; receiver; amateur radio; radio today; power supply; feedback card; ham radio; local oscillator; peak circuit; web site
Downloads: 1,818
[texts]73 Magazine (April 1993)
73 Magazine April 1993 (#391) Mini-Quad Loops - Three-fifths-size loops with full-size performance ...... NH6XK 10 Copper Dual-Band Super J-Pole Antenna - Build it in less than an hour ...... KA0NAN 12 HR2510 Hi-Power Modrtication - Increase the performance of this popular HF rig ...... Merrill 17 10 Meter X-Beam - Upgrade your antenna as well as your license ...... N5SJZ 18 Lightweight, Collapsible Quad for 2 Meters - Excellent performance in a small package ........
Keywords: radio; amateur; antenna; mhz; ham; frequency; tor; amateur radio; radio today; ham radio; packet radio; flea market; surface mount; card circle; matching case
Downloads: 1,972
[texts]73 Magazine (August 1994)
73 Magazine August 1994 (#407) Stand-Alone DDS - The Kendraboard provides PC-free frequency control...... VA3BH 10 A Novel Dual-Band, Single Feedline, VHF/UHF Antenna - Good performance for less than a sawbuck ...... W7KOH 26 Design and Build a Dummy Antenna - A 40W, 50 ohm AF dummy load with a VSWR 1.3:1 at 500 MHz ...... VE5ZE 30 The Coleman (Mini)-Kilowatt - Extend your station's working range for next to nothing ........
Keywords: radio; amateur; antenna; mhz; ihe; frequency; ham; power; meter; amateur radio; radio today; ham radio; feedback card; power supply; packet radio; case set; front panel
Downloads: 1,819
[texts]73 Magazine (December 1992)
73 Magazine December 1992 (#387) The Techno-Whizzy 1, Part I - Build a direct digital synthesis (DDS) radio ...... N9JZW 8 The Key to Unlocking the HTX-100 - Improved RIT control ...... AC3L 20 Is 2 Meters Hazardous to Your Health? - How to calculate safety ...... N1II 28 Build a LiTZ Decoder - Touch-tone control your speaker for emergency alerts ...... KA5RZI, N7IOB 30 Iambic Keyer Paddles - A wide array of choices ........
Keywords: radio; amateur; mhz; paddle; ihe; antenna; frequency; ham; digital; amateur radio; radio today; feedback card; power supply; ham radio; contact spacing; radio fun; iambic paddle
Downloads: 2,537
[texts]73 Magazine (October 1994)
73 Magazine October 1994 (#409) Battle of the Monobanders - Iron Mike slugs it out in the CAP arena ...... WB8VGE 10 The Traveler - A sweet home-brew receiver for 80! ...... K5WMS 14 Handy Randy - The tiny tag-along almost random wire tuner for QRP ...... W3RDF 34 Build the Quickie Cheapie Tener - Perhaps the easiest way to get a 1 watt CW rig for the 10 meter band ...... Veronese 36 The Capacity Tuned Folded Loop - A 1/3-wave, 7-foot, 20 meter antenna ........
Keywords: radio; mhz; amateur; antenna; frequency; ham; ihe; qrp; meter; amateur radio; radio today; feedback card; ham radio; case set; packet radio; frequency counter; dual band
Downloads: 1,968
[texts]73 Magazine (July 1994)
73 Magazine July 1994 (#406) The Global Positioning System - An overview ...... WA4BLC 10 World 's Smallest 10 GHz ATV Transmitter - Build one on a PCB using only a few components ...... HB9SLV, HB9RKR 16 EMI/RFI Defense Strategies for Hams - Keep those troublemaking signals out of your mobile installation ...... N7MGT 24 A Delayed Video Trigger for Your Oscilloscope - Convert your surplus scope ........
Keywords: radio; amateur; mhz; antenna; ihe; gps; ham; frequency; amateur radio; power; radio today; ham radio; feedback card; radio shack; cold fusion; power supply; pipe cap
Downloads: 2,114
[texts]73 Magazine (February 1995)
73 Magazine February 1995 (#413) Dual Bi-Square Loop for HF - Try this easy, low-cost approach on 20 and 2 meters ...... K5DKZ 18 Reading Morse Code on Your PC - Decipher Morse code right off the air, or improve your own fist ...... W6PRO 22 Cheap Dual-Band Yagi - A fine VHF/UHF beam made from old TV antennas ...... KA0NAN 46 Grounding and Lightning Protection, Part 1 - Protect your shack and yourself from lightning ........
Keywords: radio; antenna; amateur; mhz; frequency; ham; meter; antennas; power; amateur radio; radio today; ham radio; feedback card; morse code; output power; matching case; aluminum tubing
Downloads: 2,155
[texts]73 Magazine (May 1998)
73 Magazine May 1998 (#452) An RF sensing Alarm - Save your power amplifier stages ...and your reputation ...... VF2ZAZ 10 A Pleasant Visit to the DDS - Direct Digtal Synthesis is the latest technology in signal generation ...... W6WTU 15 Sensitivity Training - Some pros and cons of increasing receiver sensitivity ...... W2GOM/7 19 Joy's "Loud Enough" Metronome, Part 2 - Mr. Gizmo puts it all together ........
Keywords: radio; amateur; antenna; frequency; thai; mhz; output; ihe; circuit; signal; amateur radio; radio today; feedback card; noise figure; ham radio; web site; power supply; noise factor
Downloads: 1,715
[texts]73 Magazine (August 1992)
73 Magazine August 1992 (#383) The ViewPort VGA Color SSTV System - At last- a versatile slow-scan TV program and interface for the IBM PC ...... KA2PYJ 8 The Compact-A-Loop Antenna - 80 meters for the apartment dweller ...... G2BZQ 18 ATV Transmitter, Part I - Get on ATV easily and cheaply ...... K2MQJ, KA2CWL 22 The Explorer - HF receiver for 40 and 80 meters ...... K5WMS 30 Digital ALC - A simple way to get the best out of any transmitter ......N7APE 36 A Frequency Counter Upgrade - Accuracy ...
Keywords: amateur; mhz; radio; antenna; ihe; frequency; fax; audio; ham; amateur radio; radio today; power supply; feedback card; ham radio; antenna tuner; radio shack; ground plane
Downloads: 1,803
[texts]73 Magazine (June 1995)
73 Magazine June 1995 (#417) The N4UAU Super CW Station - This li'l gizmo does it all! ...... N4UAU 10 Collinear 5/8 - Wave Omni Antenna for 2 Meters - Commercial antenna performance at a home-brew price! ...... WD0O 18 Battery Monitor and Charge Controller - Check the voltage and keep the battery charged ...... K4GOK 32 An Inexpensive Morse Code Keyer - Build your own for under 10 bucks ...... N2YMW 36 Measuring the Antenna from the Shack - The half-wave length feedline and how to get it ........
Keywords: antenna; amateur; radio; mhz; ihe; meter; ham; tuner; power; frequency; amateur radio; radio today; ham radio; field day; antenna tuner; feedback card; power supply; morse code
Downloads: 3,053
[texts]73 Magazine (March 1994)
73 Magazine March 1994 (#402) Getting Started With Satellite Imagery - Enjoy a bird's-eye view using your PC and VHF rig ...... KO4BD 10 Using the World's Most Accurate Frequency Standard, Part 3 - Building a good secondary frequency standard ...... K9EUI 18 The TW-1 Cheap Dig ital Front Panel - Easy thumbwheel tuning for the Techno-Whizzy 1 ...... N9JZW 26 The FOXBOX - A voice ID T-hunt controller ........
Keywords: radio; amateur; mhz; antenna; repeater; ham; frequency; amateur radio; radio today; ham radio; feedback card; log amp; power supply; matching case; flea market
Downloads: 1,953
[texts]73 Magazine (May 1994)
73 Magazine May 1994 (#404) HI-PER Audio Filter - This project provides High-PERformance CW filtering ...... KC3ZQ 10 Speech Compression - Make a monster mike! ...... KB1UM 16 Fast Charger - Recharge NiCd and NiMH batteries in as little as 30 minutes ...... KN6PK 22 The Radar Gun Reality - Ham scientist testifies on electromagnetic radiation ...... K6UI 30 Improved QRP Keying Circuit - A slick fix for your little CW rig ........
Keywords: radio; mhz; amateur; antenna; power; ihe; ham; repeater; tor; amateur radio; radio today; ham radio; feedback card; power supply; fast charger; power station; police radar
Downloads: 2,357
[texts]73 Magazine (December 1993)
73 Magazine December 1993 (#399) Deluxe Communications Audio Board - Enhance your audio with this practical add-on ...... WD4PLI 10 Resolving 2 Meter/Cable TV Interference - A winning strategy for keeping the peace, and staying on the air! ...... NM8R 18 Five-Element T-Match VHF Yagi - Excellent performance characteristics on 2 meters ...... KA0NAN 28 Remote Tuned Active Antenna - Tune this easy amplified antenna without leaving your chair ........
Keywords: radio; amateur; antenna; mhz; ihe; ham; frequency; repeater; audio; amateur radio; radio today; feedback card; power supply; case set; matching case; ham radio; card circle
Downloads: 2,813
[texts]73 Magazine (October 1995)
73 Magazine October 1995 (#421) The QRP Delight - A full-featured antenna tuner with built-in SWR meter ...... AD5X 10 DDS Dream VFO - Yes, you can build your own synthesizer! ...... KD1JV 14 Portable Solar Electric Power Generator - The sun is free for the using ...... K4SYU 20 Armstrong Updated - A high-performance, regenerative short-wave receiver ...... KC3ZQ 26 Link it All! - Why settle for operation on just two bands? ........
Keywords: radio; amateur; ham; mhz; frequency; antenna; repeater; receiver; hams; amateur radio; radio today; ham radio; feedback card; case set; matching case; solar panel; mars base
Downloads: 2,420
[texts]73 Magazine (December 1991)
73 Magazine December 1991 (#375) The Simple TX TX - The perfect companion for the SupeRX receiver! ...... WA6IVC 10 Project INSPIRE: A Space Shuttle Experiment - Build a simple receiver to explore the wonders of the 60,000 meter band! ...... KG6EK 22 The QUAG-V - A high performance and wide bandwidth antenna for VHF and UHF ...... WB3AYW 36 Computerized Tuning for Ramsey Receiver Kits - It doesn't have to be expensive ........
Keywords: amateur; radio; mhz; antenna; frequency; ham; repeater; receiver; amateur radio; radio today; power supply; feedback card; ham radio; high speed; call call
Downloads: 2,993
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